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      std::pmr::memory_resource::do_allocate

      From cppreference.com
      <cpp‎ |memory‎ |memory resource
       
       
      Memory management library
      (exposition only*)
      Allocators
      Uninitialized memory algorithms
      Constrained uninitialized memory algorithms
      Memory resources
      Uninitialized storage(until C++20)
      (until C++20*)
      (until C++20*)
      Garbage collector support(until C++23)
      (C++11)(until C++23)
      (C++11)(until C++23)
      (C++11)(until C++23)
      (C++11)(until C++23)
      (C++11)(until C++23)
      (C++11)(until C++23)
       
       
      virtualvoid* do_allocate(std::size_t bytes,std::size_t alignment)=0;
      (since C++17)

      Allocates storage with a size of at leastbytes bytes, aligned to the specifiedalignment.

      alignment shall be a power of two.

      [edit] Exceptions

      Throws an exception if storage of the requested size and alignment cannot be obtained.

      [edit] Defect reports

      The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

      DRApplied toBehavior as publishedCorrect behavior
      LWG 2843C++17handling of unsupported alignment contradictorythrows an exception

      [edit] See also

      allocates memory
      (public member function)[edit]
      Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/memory/memory_resource/do_allocate&oldid=153333"

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